* {
  margin: 0;
  padding: 0;
}
body {
  overflow-x: hidden;
}
html::-webkit-scrollbar {
  background-color: rgb(26, 26, 26);
}
html::-webkit-scrollbar-thumb {
  background-color: rgb(49, 49, 49);
}
ul {
  list-style: none;
}
ul li {
  display: inline-block;
}
a {
  font-size: 18px;
  color: white;
  text-decoration: none;
}
.header {
  position: absolute;
  background-color: rgb(0, 0, 0);
  width: 100%;
  height: 130px;
}
.logo {
  position: relative;
  width: 325px;
  height: 80px;
  float: left;
  padding-top: 25px;
  padding-left: 150px;
}
.logo img {
  height: 80px;
}
.daohang {
  position: relative;
  width: 600px;
  height: 30px;
  margin-top: 80px;
  margin-left: 540px;
}
.daohang ul li a {
  padding-right: 13px;
}
.search {
  position: relative;
  float: right;
  margin-right: 150px;
  margin-top: -25px;
}
#search_img {
  cursor: pointer;
}
.search_wrap {
  position: relative;
  background-color: rgb(31, 31, 31);
  top: 20px;
  width: 100%;
  height: 60px;
  display: none;
  z-index: 100;
}
.search_wrap.active {
  display: block;
}
.search_wrap input {
  outline: none;
  border: none;
  border-bottom: solid 2px rgb(50, 50, 50);
  background-color: rgb(31, 31, 31);
  width: 40%;
  height: 30px;
  caret-color: rgb(255, 255, 255);
  font-size: 20px;
  transform: translateX(12%);
}
.search_wrap .search_input {
  position: relative;
  width: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.search_wrap a {
  position: relative;
  float: right;
  margin-right: 460px;
  margin-top: -10px;
}
.login {
  position: absolute;
  float: right;
  right: 65px;
  top: 80px;
}
.chengnuo {
  position: absolute;
  top: 130px;
}
.chengnuo .background {
  width: 100%;
  height: 633px;
}
.chengnuo .top {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
}
.main_1 {
  position: relative;
  background-color: rgb(17, 17, 17);
  top: 763px;
  width: 100%;
  height: 260px;
  font-size: 14px;
  font-weight: normal;
  color: rgb(184, 184, 184);
  line-height: 33px;
}
.main_1 .p1 {
  position: relative;
  width: 60%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 50px;
}
.main_1 .p2 {
  position: relative;
  width: 60%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 40px;
}
.main_2 {
  position: relative;
  width: 100%;
  background-color: rgb(17, 17, 17);
  top: 763px;
  height: 700px;
}
.main_2 .title {
  position: relative;
  font-size: 36px;
  transform: scaleX(0.7);
  color: rgb(255, 255, 255);
  text-align: center;
  overflow: hidden;
  width: 85%;
  margin-left: 108px;
}
.main_2 .title span::before {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 565px;
  left: 0px;
  top: 55%;
}
.main_2 .title span::after {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 565px;
  right: 0px;
  top: 55%;
}
.main_2 .p1 {
  position: relative;
  font: inherit;
  color: rgb(184, 184, 184);
  width: 60%;
  left: 50%;
  transform: translateX(-50%);
  line-height: 40px;
  margin-top: 30px;
  font-size: 14px;
}
.main_2 .p2 {
  position: relative;
  font: inherit;
  color: rgb(184, 184, 184);
  width: 60%;
  left: 50%;
  transform: translateX(-50%);
  line-height: 40px;
  font-size: 14px;
}
.main_2 .img {
  position: relative;
  width: 60%;
  margin-top: 60px;
  left: 50%;
  transform: translateX(-50%);
}
.main_2 img {
  width: 100%;
}
.main_3 {
  position: relative;
  width: 100%;
  background-color: rgb(17, 17, 17);
  top: 763px;
  height: 650px;
}
.main_3 .title {
  position: relative;
  font-size: 36px;
  transform: scaleX(0.7);
  color: rgb(255, 255, 255);
  text-align: center;
  overflow: hidden;
  width: 85%;
  margin-left: 108px;
}
.main_3 .title span::before {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 565px;
  left: 0px;
  top: 55%;
}
.main_3 .title span::after {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 565px;
  right: 0px;
  top: 55%;
}
.main_3 .p1 {
  position: relative;
  font: inherit;
  color: rgb(184, 184, 184);
  width: 60%;
  left: 50%;
  transform: translateX(-50%);
  line-height: 40px;
  margin-top: 30px;
  font-size: 14px;
}
.main_3 .img {
  position: relative;
  width: 60%;
  margin-top: 60px;
  left: 50%;
  transform: translateX(-50%);
}
.main_3 img {
  width: 100%;
}
.main_4 {
  position: relative;
  width: 100%;
  background-color: rgb(17, 17, 17);
  top: 763px;
  height: 650px;
}
.main_4 .title {
  position: relative;
  font-size: 36px;
  transform: scaleX(0.7);
  color: rgb(255, 255, 255);
  text-align: center;
  overflow: hidden;
  width: 85%;
  margin-left: 108px;
}
.main_4 .title span::before {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 565px;
  left: 0px;
  top: 55%;
}
.main_4 .title span::after {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 565px;
  right: 0px;
  top: 55%;
}
.main_4 .p1 {
  position: relative;
  font: inherit;
  color: rgb(184, 184, 184);
  width: 60%;
  left: 50%;
  transform: translateX(-50%);
  line-height: 40px;
  margin-top: 30px;
  font-size: 14px;
}
.main_4 .img {
  position: relative;
  width: 60%;
  margin-top: 60px;
  left: 50%;
  transform: translateX(-50%);
}
.main_4 img {
  width: 100%;
}
.main_5 {
  position: relative;
  top: 763px;
  width: 100%;
  background-color: rgb(17, 17, 17);
  height: 600px;
}
.main_5 .title {
  position: relative;
  font-size: 14px;
  color: rgb(184, 184, 184);
  text-align: center;
  width: 200px;
  margin-left: 305px;
}
.main_5 .title span::before {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 60px;
  left: 0px;
  top: 55%;
}
.main_5 .title span::after {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 60px;
  right: 0px;
  top: 55%;
}
.main_5 .video {
  width: 60%;
  position: relative;
  margin-top: 60px;
  left: 50%;
  transform: translateX(-50%);
}
.main_5 .video video {
  width: 100%;
}
.main_6 {
  position: relative;
  top: 763px;
  width: 100%;
  background-color: rgb(17, 17, 17);
  height: 580px;
}
.main_6 .title {
  position: relative;
  font-size: 14px;
  color: rgb(184, 184, 184);
  text-align: center;
  width: 200px;
  margin-left: 305px;
}
.main_6 .title span::before {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 46px;
  left: 0px;
  top: 55%;
}
.main_6 .title span::after {
  position: absolute;
  content: "";
  background-color: rgb(102, 102, 102);
  height: 1px;
  width: 46px;
  right: 0px;
  top: 55%;
}
.main_6 .video {
  width: 60%;
  position: relative;
  margin-top: 60px;
  left: 50%;
  transform: translateX(-50%);
}
.main_6 .video video {
  width: 100%;
}
.cebian_1 {
  cursor: pointer;
  position: fixed;
  background-color: rgb(31, 31, 31);
  width: 200px;
  height: 50px;
  right: -153px;
  bottom: 150px;
  transition: all 800ms;
  z-index: 100;
  display: block;
}
.cebian_1.active {
  display: none;
}
.cebian_1 img {
  position: relative;
  float: left;
  width: 25px;
  cursor: pointer;
  margin-top: 12.5px;
  margin-left: 10px;
}
.cebian_1 p {
  cursor: pointer;
  position: relative;
  float: left;
  margin-top: 17.5px;
  margin-left: 20px;
  font-size: 14px;
  color: rgb(255, 255, 255);
}
.cebian_1:hover {
  transform: translateX(-153px);
}
.cebian_2 {
  cursor: pointer;
  position: fixed;
  background-color: rgb(31, 31, 31);
  width: 200px;
  height: 50px;
  right: -153px;
  bottom: 100px;
  transition: all 800ms;
  z-index: 100;
}
.cebian_2 img {
  position: relative;
  float: left;
  width: 25px;
  cursor: pointer;
  margin-top: 12.5px;
  margin-left: 10px;
}
.cebian_2 p {
  cursor: pointer;
  position: relative;
  float: left;
  margin-top: 17.5px;
  margin-left: 20px;
  font-size: 14px;
  color: rgb(255, 255, 255);
}
.cebian_2:hover {
  transform: translateX(-153px);
}
.foot {
  position: relative;
  top: 763px;
  width: 100%;
  height: 105px;
  background-color: black;
}
.foot .ul1 {
  width: 540px;
}
.foot .ul1 ul {
  width: 540px;
  position: relative;
  padding-top: 30px;
  padding-left: 100px;
}
.foot .ul1 li {
  padding-right: 15px;
}
.foot .ul1 a {
  position: relative;
  font-size: 12px;
  color: rgb(191, 191, 191);
}
.foot .ul1 li a::after {
  content: "";
  position: absolute;
  height: 10px;
  width: 0px;
  top: 4px;
  right: -14px;
  border-left: 1px solid rgb(102, 102, 102);
}
.foot .ul1 li:nth-of-type(7) a::after {
  display: none;
}
.foot .ul2 {
  width: 505px;
  position: relative;
  margin-left: 100px;
  margin-top: 10px;
}
.foot .ul2 li {
  padding-right: 20px;
}
.foot .ul2 a {
  font-size: 12px;
  color: rgb(191, 191, 191);
}
.foot .ul3 {
  position: relative;
  float: right;
  margin-right: 10px;
  margin-top: -60px;
  width: 500px;
}
.foot .ul3 img {
  width: 20px;
}
.foot .ul3 a {
  font-size: 12px;
  color: rgb(191, 191, 191);
}
.foot .ul3 li {
  padding-right: 40px;
  line-height: 40px;
}
.kefu {
  position: fixed;
  width: 450px;
  height: 550px;
  background-color: white;
  bottom: 0px;
  right: 0px;
  z-index: 150;
  display: none;
}
.kefu.active {
  display: block;
}
.kefu .head {
  position: relative;
  background-color: rgb(32, 33, 35);
  width: 100%;
  height: 50px;
  cursor: move;
}
.kefu .head p {
  position: relative;
  float: right;
  width: 60%;
  color: white;
  font-size: 16px;
  text-align: center;
  margin-top: -15px;
  margin-right: 70px;
}
.kefu .head .close {
  position: relative;
  height: 20px;
  width: 20px;
  font-size: 20px;
  color: white;
  padding-left: 10px;
  padding-top: 10px;
  cursor: pointer;
}
.kefu .comm img {
  width: 40px;
  height: 40px;
  position: relative;
  float: left;
}
.kefu .comm #img1 {
  margin-left: 20px;
}
.kefu .comm .p1 {
  background-color: rgb(246, 246, 246);
  position: relative;
  width: 230px;
  height: 50px;
  border-radius: 8px;
  margin-left: 70px;
  margin-top: 20px;
  font-size: 12px;
  line-height: 20px;
}
.kefu .comm .p1 p {
  position: relative;
  padding-top: 5px;
  margin-left: 10px;
  padding-right: 10px;
}
.kefu .comm #img2 {
  margin-left: 20px;
  margin-top: 30px;
}
.kefu .comm .p2 {
  background-color: rgb(246, 246, 246);
  position: relative;
  width: 230px;
  height: 100px;
  border-radius: 8px;
  margin-left: 70px;
  margin-top: 30px;
}
.kefu .comm .p2 ul {
  position: relative;
  margin-left: 10px;
}
.kefu .comm .p2 ul li {
  display: list-item;
  line-height: 30px;
  width: 95%;
  border-bottom: 1px solid rgb(218, 218, 218);
}
.kefu .comm .p2 ul li a {
  font-size: 12px;
  color: rgb(138, 138, 138);
}
.kefu .comm .p2 ul li a::after {
  content: ">";
  position: relative;
  float: right;
  font-size: 25px;
  color: rgb(218, 218, 218);
}
.kefu .comm .p2 ul li a:hover {
  color: rgb(218, 177, 13);
  text-decoration: underline;
}
.kefu .input {
  background-color: white;
  position: relative;
  width: 100%;
  height: 150px;
  margin-top: 150px;
  border-top: solid 1px;
}
.kefu .input .file {
  position: relative;
  float: left;
  width: 20px;
  height: 20px;
  margin-top: 10px;
  margin-left: 10px;
}
.kefu .input .file input {
  display: none;
}
.kefu .input .file img {
  width: 20px;
}
.kefu .input #input2 {
  position: relative;
  margin-top: 40px;
  margin-left: -10px;
  width: 420px;
  height: 50px;
  outline: none;
  border: none;
}
.kefu .input .btn {
  position: relative;
  float: right;
  margin-top: 27px;
  margin-right: 15px;
}
.kefu .input .btn button {
  background-color: rgb(50, 189, 242);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  width: 80px;
  height: 25px;
  color: white;
}
